#preloder {
  position: fixed;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  z-index: 999999;
}

.loader {
  width: 40px;
  height: 40px;
  position: absolute;
  top: 50%;
  left: 50%;
  margin-top: -13px;
  margin-left: -13px;
  border-radius: 60px;
  animation: loader 0.8s linear infinite;
  -webkit-animation: loader 0.8s linear infinite;
}
@keyframes loader {
  0% {
    -webkit-transform: rotate(0deg);
    transform: rotate(0deg);
    border: 4px solid #f44336;
    border-left-color: transparent;
  }

  50% {
    -webkit-transform: rotate(180deg);
    transform: rotate(180deg);
    border: 4px solid #673ab7;
    border-left-color: transparent;
  }

  100% {
    -webkit-transform: rotate(360deg);
    transform: rotate(360deg);
    border: 4px solid #f44336;
    border-left-color: transparent;
  }
}

@-webkit-keyframes loader {
  0% {
    -webkit-transform: rotate(0deg);
    border: 4px solid #f44336;
    border-left-color: transparent;
  }

  50% {
    -webkit-transform: rotate(180deg);
    border: 4px solid #673ab7;
    border-left-color: transparent;
  }

  100% {
    -webkit-transform: rotate(360deg);
    border: 4px solid #f44336;
    border-left-color: transparent;
  }
}